Environment

Different stages

Internal conditions

Homeostasis

Stimuli

Types of stimuli

Physical Stimuli

Chemical stimuli

Receptors

Classification of receptors

Interceptor

Exteroceptors

Propioceptors

Sense organs

Depending on the type of stimulus, receptors are classified as...

Photoreceptors

Thermoreceptors

Mechanoreceptors

Electroreceptors

Magnetoreceptors

Chemoreceptors

Nociceptors

Rods

Cones

Crypsis

Mimicry

Coordination in animals

Roles

The nervous system

Nervous system in living organisms

Central Nervous System (CNS)

Peripheral Nervous System (PNS)

Neurons

Types of neurons

Parts of the neuron

Soma

Axons

Dendrites

Synapses

The endocrine system

Coordination in plants

Objective of the plant hormones

Responses

Effectors

Motor responses

Secretory responses